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README.md
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---
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language: en
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license: mit
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tags:
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- natural-language-inference
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- sentence-transformers
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- transformers
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- nlp
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- model-card
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---
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# snowflake-arctic-embed-s-nli
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- **Base Model:** [Snowflake/snowflake-arctic-embed-s](https://huggingface.co/Snowflake/snowflake-arctic-embed-s)
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- **Task:** Natural Language Inference (NLI)
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- **Framework:** Hugging Face Transformers, Sentence Transformers
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snowflake-arctic-embed-s-nli is a fine-tuned NLI model that classifies the relationship between pairs of sentences into three categories: entailment, neutral, and contradiction. It enhances the capabilities of [Snowflake/snowflake-arctic-embed-s](https://huggingface.co/Snowflake/snowflake-arctic-embed-s) for improved performance on NLI tasks.
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## Intended Use
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snowflake-arctic-embed-s-nli is ideal for applications requiring understanding of logical relationships between sentences, including:
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- Semantic textual similarity
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- Question answering
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- Dialogue systems
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- Content moderation
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## Performance
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snowflake-arctic-embed-s-nli was trained on the [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli) dataset, achieving competitive results in sentence pair classification.
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Performance on the MNLI matched validation set:
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- Accuracy: 0.7745
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- Precision: 0.78
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- Recall: 0.77
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- F1-score: 0.77
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## Training details
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<details>
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<summary><strong>Training Details</strong></summary>
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- **Dataset:**
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- Used [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli).
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- **Sampling:**
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- 100 000 training samples and 10 000 evaluation samples.
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- **Fine-tuning Process:**
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- Custom Python script with adaptive precision training (bfloat16).
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- Early stopping based on evaluation loss.
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- **Hyperparameters:**
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- **Learning Rate:** 2e-5
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- **Batch Size:** 64
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- **Optimizer:** AdamW (weight decay: 0.01)
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- **Training Duration:** Up to 10 epochs
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</details>
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<details>
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<summary><strong>Reproducibility</strong></summary>
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To ensure reproducibility:
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- Fixed random seed: 42
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- Environment:
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- Python: 3.10.12
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- PyTorch: 2.5.1
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- Transformers: 4.44.2
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</details>
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## Usage Instructions
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## Using Sentence Transformers
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```python
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from sentence_transformers import CrossEncoder
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model_name = "snowflake-arctic-embed-s-nli"
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model = CrossEncoder(model_name)
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scores = model.predict(
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[
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("A man is eating pizza", "A man eats something"),
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(
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"A black race car starts up in front of a crowd of people.",
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"A man is driving down a lonely road.",
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),
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]
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)
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label_mapping = ["entailment", "neutral", "contradiction"]
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labels = [label_mapping[score_max] for score_max in scores.argmax(axis=1)]
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print(labels)
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# Output: ['entailment', 'contradiction']
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```
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## Using Transformers Library
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```python
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from transformers import AutoTokenizer, AutoModelForSequenceClassification
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import torch
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model_name = "snowflake-arctic-embed-s-nli"
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model = AutoModelForSequenceClassification.from_pretrained(model_name)
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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features = tokenizer(
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[
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"A man is eating pizza",
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"A black race car starts up in front of a crowd of people.",
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],
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["A man eats something", "A man is driving down a lonely road."],
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padding=True,
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truncation=True,
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return_tensors="pt",
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)
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model.eval()
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with torch.no_grad():
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scores = model(**features).logits
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label_mapping = ["entailment", "neutral", "contradiction"]
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labels = [label_mapping[score_max] for score_max in scores.argmax(dim=1)]
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print(labels)
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# Output: ['entailment', 'contradiction']
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```
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## Limitations and Ethical Considerations
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snowflake-arctic-embed-s-nli may reflect biases present in the training data. Users should evaluate its performance in specific contexts to ensure fairness and accuracy.
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## Conclusion
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snowflake-arctic-embed-s-nli offers a robust solution for NLI tasks, enhancing [Snowflake/snowflake-arctic-embed-s](https://huggingface.co/Snowflake/snowflake-arctic-embed-s)'s capabilities with straightforward integration into existing frameworks. It aids developers in building intelligent applications that require nuanced language understanding.
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